20686590 is an even 8-digits composite number following 20686589
and preceding 20686591 . In scientific notation, it is written as 2.0686590 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 5515776 positive integers (up to 20686590) that are relatively prime to 20686590.
20686590 has 32 divisors, whose sum is 45771264
The reverse of 20686590 is 09568602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-six thousand five hundred ninety
Scientific notation
2.0686590 × 10^7
Engineering notation
2.0686590 × 10^6
Prime Factorization
2 × 15 × 27 × 3 × 8513
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20686590
Product of the distinct prime numbers
The prime factorization of 20686590 is 2 × 15 × 27 × 3 × 8513.
Since it has a total of 5 prime factors.
3 , 8 , 58 , 27 , 184 , 121 , 9794 , 254 , 83974 , 62429 , 978913 , 71994 , 5774633 , 1208303 , 91529205 , 67807471 , 593610674 , 896717884 , 8271315830 , 935657277
n×2
41373180
n×3
62059770
n×4
82746360
n×5
103432950
n÷2
10343295
n÷3
6895530
n÷3
5171647.5
n÷5
4137318
n2
427935005828100
n3
8.8525160122135E+21
n4
1.831283692131E+29
n5
3.7883014912799E+36
2 √n
4548.2513123177
3 √n
274.51303351176
4 √n
67.440724435001
5 √n
29.049441116662
1 , 2 , 3 , 6 , 15 , 27 , 30 , 45 , 54 , 81 , 90 , 162 , 405 , 810 , 1215 , 2430 , 8513 , 17026 , 25539 , 51078 , 127695 , 229851 , 255390 , 383085 , 459702 , 689553 , 766170 , 1379106 , 3447765 , 6895530 , 10343295 , 20686590
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686589
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686590 can be divided by 32 positive divisors.
The sum of these divisors (counting 20686590) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111010011011111110
3
Ternary
1102220222200000
4
Quaternary
1032322123332
5
Quinary
20243432330
6
Senary
2015215130
8
Octal
116723376
10
Decimal
20686590
12
Duodecimal
6b174a6
16
Hexadecimal
13ba6fe
20
Vigesimal
695g9a
36
Base36
cbdvi
md5
703f7ef159702e9bb83c4043593fd596
sha1
92ec6cce5485bb868bf7ee55e58bc48f47fc2f0e
sha256
f6516d272505682a1060e19708a1f56c8d28c84badbb98c979017449904fd43b
sha512
a0a2da32f17dd8cef8aa5348231c74587d6f880d978a07854cef96296487092250b6992075fee9747613bd9f944512afd826855f252c2348bf5a073d2a65532e
ripemd-160
a07b50537ce4956ab9e2a9fffa0f1beb03030517
Diameter
41373180
Circumference
129977678.34365
Area
1.3443974705235E+15
Volume
3.7081332359675E+22
Surface area
5.3775898820939E+15
Circumference
129977678.34365
Perimeter
82746360
Area
427935005828100
Diagonal
29255256.137252
Surface area
2567610034968600
Volume
8.8525160122135E+21
Space diagonal
35830224.915346
Perimeter
62059770
Area
1.8530129310789E+14
Altitude
17915112.457673
Surface area
1.8530129310789E+14
Volume
1.0432790171331E+21
Height
9751752.0457505